Home / 50,688,006.20-76,032,009.30-45,556,537.40

Finding the Fourth Proportional to 50,688,006.20, 76,032,009.30 and 45,556,537.40

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Solution

The fourth proportional to 50,688,006.20, 76,032,009.30 and 45,556,537.40 is: 68,334,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688,006.20 : 76,032,009.30 = 45,556,537.40 : x
  2. Step 2: Convert to fraction form
    50,688,006.20/76,032,009.30 = 45,556,537.40/x
  3. Step 3: Cross multiply
    50,688,006.20x = 76,032,009.30 × 45,556,537.40
  4. Step 4: Simplify right side
    50,688,006.20x = 3,463,755,075,272,597.50
  5. Step 5: Solve for x
    x = 3,463,755,075,272,597.50/50,688,006.20
  6. Step 6: Final answer
    x = 68,334,806.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.